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llvm-mirror/test/CodeGen/AMDGPU/llvm.amdgcn.image.getlod.ll
Matt Arsenault 489b4bdeba AMDGPU: Fix asserting on 0 dmask for image intrinsics
Fold these to undef during lowering so users get eliminated.

llvm-svn: 298387
2017-03-21 16:32:17 +00:00

48 lines
2.4 KiB
LLVM

; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=GCN %s
; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=GCN %s
; GCN-LABEL: {{^}}getlod:
; GCN: image_get_lod {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}} dmask:0xf da
define void @getlod(<4 x float> addrspace(1)* %out) {
main_body:
%r = call <4 x float> @llvm.amdgcn.image.getlod.v4f32.f32.v8i32(float undef, <8 x i32> undef, <4 x i32> undef, i32 15, i1 0, i1 0, i1 0, i1 0, i1 1)
store <4 x float> %r, <4 x float> addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}getlod_v2:
; GCN: image_get_lod {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}} dmask:0xf da
define void @getlod_v2(<4 x float> addrspace(1)* %out) {
main_body:
%r = call <4 x float> @llvm.amdgcn.image.getlod.v4f32.v2f32.v8i32(<2 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 15, i1 0, i1 0, i1 0, i1 0, i1 1)
store <4 x float> %r, <4 x float> addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}getlod_v4:
; GCN: image_get_lod {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}} dmask:0xf da
define void @getlod_v4(<4 x float> addrspace(1)* %out) {
main_body:
%r = call <4 x float> @llvm.amdgcn.image.getlod.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 15, i1 0, i1 0, i1 0, i1 0, i1 1)
store <4 x float> %r, <4 x float> addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}adjust_writemask_getlod_none_enabled:
; GCN-NOT: image
; GCN-NOT: store
define void @adjust_writemask_getlod_none_enabled(float addrspace(1)* %out) {
main_body:
%r = call <4 x float> @llvm.amdgcn.image.getlod.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
%elt0 = extractelement <4 x float> %r, i32 0
store float %elt0, float addrspace(1)* %out
ret void
}
declare <4 x float> @llvm.amdgcn.image.getlod.v4f32.f32.v8i32(float, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
declare <4 x float> @llvm.amdgcn.image.getlod.v4f32.v2f32.v8i32(<2 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
declare <4 x float> @llvm.amdgcn.image.getlod.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
attributes #0 = { nounwind readnone }